RWW S2W RWW 2W RWW S3W 1/4 1/2 1/ W V

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1 Axial Round Wirewound Resistor Normal & Miniature Style Series Axial Round Wirewound Resistor Normal & Miniature Style Features Low cost, high performance, excellent long-term stability Wide resistance range (1 to 1M & 0 for E24 series value) Standard tolerance: ±5% (±1% is available on request) RoHS Compliant Mechanical Data Complete flameproof construction in accordance with article UL-94V-0 The resistors meet overload tests in accordance with UL specification #1412 without producing a fire hazard Bulk, tape and reel standard, cut and formed, or radial Panasert/Avisert available upon request Absolute Maximum Ratings & Characteristics Description 25T S50T 50T S1W 1W S2W 2W S3W 3W 4W S5W 5W S7W 7W Unit Power Rating at 70 C Rated Ambient Temperature Dielectric Withstanding Voltage Resistance Range ±1% (Note 1) Resistance Range ±5% (Note 1) Operating Temperature Range Temperature Coefficient 1/4 1/2 1/ W C V 0.22~ ~ ~1.8K 0.1~2.8K 0.1~7.5K 0.1~6.5K 0.5~ ~ ~2.2K 0.015~2.5K 0.02~7.5K 0.03~6.8K -40 to +200 C ±300 ppm/ C Note 1: E-24 series, below or over this resistance available on request TAITRON COMPONENTS INCORPORATED Tel: (800)-TAITRON (800) (661) Fax: (800)-TAITFAX (800) (661) Page 1 of 8

2 Percentage of the rated dissipating (%) Axial Round Wirewound Resistor - Normal & Miniature Style Power Derating Curve Series For resistors operated in ambient temperature above 40 C, power rating must be derate in accordance with following curve below. Ambient Temperature ( C) Dimensions (in mm) Type Outline Normal Miniature L ØD H Ød T-25 25T S50T 6.3± ±0.2 28± ±0.05 T-50 50T S1W 9.0± ±0.3 26± ±0.05 T-100 1W S2W 11.5± ±0.5 35± ±0.05 T-200 2W S3W 15.5± ±0.5 33± ±0.05 3W T-300 4W S5W 17.5± ±1.0 32± ±0.05 5W T-510 7W S7W 24.5± ±0.5 38± ± Page 2 of 8

3 Series Environmental Performance Specification Item Test Methods Specifications Short Time Overload times rated power for 5 Sec. ±(2%+0.05) Dielectric Withstanding Voltage 4.7 In V-Block for 60 Seconds by Type Temperature Coefficient C to +155 C by Type Insulation Resistance 4.6 In V-Block for 60 Sec. >100M Solderability Resistance to Solvent Terminal Strength Load Life in Humidity Load Life Temperature Cycling Resistance to Soldering Heat ±5 C for 3±0.5 Seconds IPA for 5±0.5 minute with Ultrasonic Direct Load for 10 Seconds in The Direction of the Terminal Leads 40±2 C, 90-95% RH at RCWV for 56 days, loaded with 0.1 times RCWV 70 C at RCWV for 1000 Hrs (1.5 Hrs. on, 0.5 Hrs. off) -55 C Room Temp C Room Temp. for 5 Cycles 260±3 C for 10±1 Seconds, immersed to a point 3±0.5mm from the body 95% Min. Coverage No Deterioration of Coatings and Markings >=2.5kg (24.5N) ±(5%+0.05) ±(5%+0.05) ±(1%+0.05) ±(1%+0.05) * Rated Continuous Working Voltage (RCWV) = Power Rating x Resistance Value Page 3 of 8

4 Packing Information Carrier Tape Dimensions (in mm) Series Outline A B1-B2 S (Spacing) a T ± ±0.5 T ± ±0.5 T ± ±0.5 T ± ±0.5 T ± ±0.5 T ± ±0.5 T (Max. Deviation of Spacing) 1mm per 10 spacings, 0.5mm per 5 spacings Tape on Reel Pack Information Page 4 of 8

5 Series Outline Reel/ Across Flange (A) Size Size (pcs) (cm) (cm) (kg) (pcs) (cm) (kg) T-25 5, x8.0x , x30.5x T-50 2, x8.0x , x30.5x T-100 2, x9.8x , x30.5x T-200 1, x9.8x , x30.5x T x9.8x , x30.5x T x11.8x , x30.5x Ammo Pack Information Outline Size Size (pcs) (cm) (kg) (pcs) (cm) (kg) T-25 5, x7.4x , x28.0x T-50 1, x9.7x , x28.0x T-100 1, x9.7x , x28.0x T-200 1, x9.7x , x28.0x T x11.6x , x28.0x T x11.6x , x28.0x Page 5 of 8

6 Bulk Pack Information Series Outline Size Size (pcs) (cm) (kg) (pcs) (cm) (kg) T-25 10, x9.7x , x28.0x T-50 5, x9.7x , x28.0x T-100 2, x9.7x , x28.0x T-200 1, x9.7x , x28.0x T x9.7x , x28.0x T x9.7x , x28.0x How to order: 2W 201 J TR20 Packing TR20: 12 Tape & Reel with RoHS; AR: Tape & Ammo with RoHS; BL: Bulk with RoHS Factory Location Tolerance J: ±5%; (G: ±1% is available on request) Resistance Value 201=20x10 1 =200; 000 for Jumper; See next for E-24 value Power Rating 2W: 2W; 25T: 1/4W; 50T: 1/2W; 1WS: 1W with miniature size; Resistor Series : Round Wirewound Resistor S: Miniature Round Wirewound Resistor Page 6 of 8

7 E-24 Series of Resistance Value Table Series 000 <50m 1R R R R R R R R R R R R R R R R R R R R R R R R K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K K M Page 7 of 8

8 Series How to contact us: US HEADQUARTERS WEST HARRISON PARKWAY, VALENCIA, CA Tel: (800) TAITRON (800) (661) Fax: (800) TAITFAX (800) (661) TAITRON COMPONENTS MEXICO, S.A.DE C.V. BOULEVARD CENTRAL 5000 INTERIOR 5 PARQUE INDUSTRIAL ATITALAQUIA, HIDALGO C.P MEXICO Tel: Fax: TAITRON COMPONENTS INCORPORATED REPRESENTAÇÕES DO BRASIL LTDA RUA DOMINGOS DE MORAIS, 2777, 2.ANDAR, SALA 24 SAÚDE - SÃO PAULO-SP BRAZIL Tel: Fax: TAITRON COMPONENTS INCORPORATED, SHANGHAI REPRESENTATIVE OFFICE METROBANK PLAZA, 1160 WEST YAN AN ROAD, SUITE 1503, SHANGHAI, , CHINA Tel: Fax: Page 8 of 8

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